Here are all the postal codes assigned to Onno. Our records often include geographical coordinates of Onno and it's corresponding postal code. In the result box below, you can find the postal code of Onno and it's location on the map if we have the location information available. Every postal code is also located in a region or a district, in case we know the district or region of the city it will too be listed in the results. All kinds of additional information we have on Onno may also be present such as geographical data, historical records or news about Onno and in general.